Did this issue start happening after an update/upgrade? Was there a prior kernel version where you were not having this particular problem?
Would it be possible for you to test the latest upstream kernel? Refer to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest v4.0 kernel[0]. If this bug is fixed in the mainline kernel, please add the following tag 'kernel-fixed-upstream'. If the mainline kernel does not fix this bug, please add the tag: 'kernel-bug-exists-upstream'. If you are unable to test the mainline kernel, for example it will not boot, please add the tag: 'kernel-unable-to-test-upstream'. Once testing of the upstream kernel is complete, please mark this bug as "Confirmed". Thanks in advance. [0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.0-rc2-vivid/ ** Changed in: linux (Ubuntu) Importance: Undecided => Medium ** Changed in: linux (Ubuntu) Status: Confirmed => Incomplete -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1427813 Title: I've got an acpi bug in page_alloc.c on boot Status in linux package in Ubuntu: Incomplete Bug description: This is an xw8200 HP Workstation equipped 7 GiB of memory. ProblemType: Bug DistroRelease: Ubuntu 15.04 Package: linux-image-3.19.0-7-generic 3.19.0-7.7 ProcVersionSignature: Ubuntu 3.19.0-7.7-generic 3.19.0 Uname: Linux 3.19.0-7-generic x86_64 AlsaVersion: Advanced Linux Sound Architecture Driver Version k3.19.0-7-generic. AplayDevices: Error: [Errno 2] No such file or directory: 'aplay' ApportVersion: 2.16.2-0ubuntu1 Architecture: amd64 ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord' AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/by-path', '/dev/snd/pcmC0D4p', '/dev/snd/pcmC0D3c', '/dev/snd/pcmC0D2c', '/dev/snd/pcmC0D1c', '/dev/snd/pcmC0D0c', '/dev/snd/pcmC0D0p', '/dev/snd/controlC0', '/dev/snd/timer'] failed with exit code 1: Card0.Amixer.info: Error: [Errno 2] No such file or directory: 'amixer' Card0.Amixer.values: Error: [Errno 2] No such file or directory: 'amixer' Date: Tue Mar 3 20:12:21 2015 IwConfig: eth0 no wireless extensions. lo no wireless extensions. MachineType: Hewlett-Packard hp workstation xw8200 ProcFB: ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-7-generic root=UUID=0de08295-a06a-48d4-9a84-9416a94cc3d0 ro nofb RfKill: Error: [Errno 2] No such file or directory: 'rfkill' SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 05/31/2006 dmi.bios.vendor: Hewlett-Packard dmi.bios.version: 786B8 v2.10 dmi.board.name: 08B4h dmi.board.vendor: Hewlett-Packard dmi.chassis.asset.tag: CZC5271F13 dmi.chassis.type: 6 dmi.chassis.vendor: Hewlett-Packard dmi.chassis.version: HP Minitower dmi.modalias: dmi:bvnHewlett-Packard:bvr786B8v2.10:bd05/31/2006:svnHewlett-Packard:pnhpworkstationxw8200:pvr:rvnHewlett-Packard:rn08B4h:rvr:cvnHewlett-Packard:ct6:cvrHPMinitower: dmi.product.name: hp workstation xw8200 dmi.sys.vendor: Hewlett-Packard To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1427813/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
